package bean;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;

public class B01scoreDTO {

	private B01scoreVO vo=null;				// 1. vo 변수와 connection 변수 
	private Connection conn= null;
	
											// 2. 페이징과 관련된 변수들 
	int listSize = 7;	// 페이지당 표시되는 행수  
	int blockSize = 3;	// 한 블럭당 표시되는 페이지수 
	int totSize = 0;	// 전체 게시물의 갯수
	int totPage = 0;	// 현재 페이지  
	int totBlock = 0; 	// 전체 블럭수
	int nowPage = 1;	// 현재 페이지 
	int nowBlock = 1;	// 현재 블럭
	int startNo = 0; 	// 리스트 목록의 시작 위치 
	int endNo = 0; 		// 리스트 목록의 끝 위치 
	int startPage = 0; 	// 현재 블럭에서 표시되는 시작 블럭번호
	int endPage = 0;	// 현재 블럭에서 표시되는 끝 블럭 번호 
	
	
	
	public B01scoreDTO() {					// 3. 생성자에서 conn 처리 
		conn = new MyOracle().getConn();
	}


	public boolean insert(){				// 4. 입력을 위한 처리 
		boolean b= false;
		/*String sql = "select mid, grade, point, scode, examdate, exam, school, locate, rank "
					+ " from member where mid=? and grade =?";*/
		String sql = "insert into score(rno, mid, grade, point, scode, examdate, exam, rank) values(seq_score.nextval,?,?,?,?,?,?,?)";
		try {
			PreparedStatement pst = conn.prepareStatement(sql);
			pst.setString(1, vo.getMid());
			pst.setString(2, vo.getGrade());
			pst.setInt(3, vo.getPoint());
			pst.setString(4, vo.getScode());
			pst.setString(5, vo.getExamdate());
			pst.setString(6, vo.getExam());
			pst.setInt(7, vo.getRank());
			
			int cnt = pst.executeUpdate();
			if(cnt>0) b = true;
			
			pst.close();
			conn.close();
			
		} catch (Exception e) {
			e.printStackTrace();
		}
		return b;
	}


	public void page(){ // 페이지 관련 연산
		String sql = "select count(*) cnt from score "
				 	+" where mid like ? or exam like ?";
		try {
			PreparedStatement pst = conn. prepareStatement(sql);
			pst.setString(1, "%"+vo.getFind()+"%");
			pst.setString(2, "%"+vo.getFind()+"%");
			ResultSet rs = pst.executeQuery();
			if(rs.next()){
				totSize = rs.getInt("cnt"); 
				// 전체 페이지수 
				totPage = (int)Math.ceil(totSize*1.0/listSize);
				// 전체 블럭수
				totBlock = (int)Math.ceil(totPage*1.0/blockSize);
				// 현재블럭
				nowBlock = (int)Math.ceil(nowPage*1.0 / blockSize);
				// 페이지의 시작과 끝 번호 
				endPage = nowBlock * blockSize;
				startPage = endPage-blockSize+1;
				// 게시물의 시작번호와 끝 번호
				endNo = nowPage * listSize;
				startNo = endNo-listSize + 1;
				// endPage, endNo 보정값
				if(endPage > totPage) endPage = totPage;
				if(endNo>totSize) endNo = totSize;
				
			}
			System.out.println("<li>totSize=" + totSize);
			System.out.println("<li>totPage=" + totPage);
		} catch (Exception e) {
			e.printStackTrace();
		}
		
	}
	
	public ArrayList<B01scoreVO> select(){	// 검색과 리스트를 위한 처리 
		page();
		ArrayList<B01scoreVO> al = new ArrayList<B01scoreVO>();
		String sql = "select * from ("
				+ " select rownum rn, c.* from ("
				+ " select * from score	"
				+ " where mid like ? or exam like ?  order by rno desc)c"
				+ " )b"
				+ " where b.rn between ? and ? ";
		try{
			PreparedStatement pst = conn.prepareStatement(sql);
			pst.setString(1, "%" + vo.getFind() + "%");
			pst.setString(2, "%" + vo.getFind() + "%");
			pst.setInt(3, startNo);
			pst.setInt(4, endNo);
			
			ResultSet rs = pst.executeQuery();
			while(rs.next()){
				B01scoreVO v = new B01scoreVO();
				v.setRno(rs.getInt("rno"));
				v.setMid(rs.getString("mid"));
				v.setExam(rs.getString("exam"));
				v.setGrade(rs.getString("grade"));
				v.setPoint(rs.getInt("point"));
				al.add(v);
			}
			rs.close();
			pst.close();
			conn.close();
		}catch(Exception ex){
			ex.printStackTrace();
		}
		return al;
	}
	
	public B01scoreVO selectOne(){			// view를 위한 처리 
		B01scoreVO v = new B01scoreVO();
		String sql = "select * from score where rno=?";
		try {
			PreparedStatement pst = conn.prepareStatement(sql);
			pst.setInt(1, vo.getRno());
			ResultSet rs = pst.executeQuery();
			while(rs.next()){
				v.setRno(rs.getInt("rno"));
				v.setMid(rs.getString("mid"));
				v.setExam(rs.getString("exam"));
				v.setGrade(rs.getString("grade"));
				v.setPoint(rs.getInt("point"));
			}
			rs.close();
			pst.close();
			conn.close();
		} catch (Exception e) {

		}
		return v;
	}

	public boolean delete(){				// 8. 삭제를 위한 처리 
		System.out.println("으아");
		boolean b = false;
		String sql = "delete from score where rno=?";
		try {
			PreparedStatement pst = conn.prepareStatement(sql);
			pst.setInt(1, vo.getRno());
			int cnt = pst.executeUpdate();
			if(cnt>0) b=true;
			pst.close();
			conn.close();
		} catch (Exception e) {
			e.printStackTrace();
		}		
		return b;
	}
	
	public B01scoreVO getVo() {
		return vo;
		
	}

	public void setVo(B01scoreVO vo) {
		this.vo = vo;
		this.nowPage = vo.getNowPage();
		this.nowBlock = vo.getNowBlock();
	}


	public Connection getConn() {
		return conn;
	}


	public void setConn(Connection conn) {
		this.conn = conn;
	}


	public int getListSize() {
		return listSize;
	}


	public void setListSize(int listSize) {
		this.listSize = listSize;
	}


	public int getBlockSize() {
		return blockSize;
	}


	public void setBlockSize(int blockSize) {
		this.blockSize = blockSize;
	}


	public int getTotSize() {
		return totSize;
	}


	public void setTotSize(int totSize) {
		this.totSize = totSize;
	}


	public int getTotPage() {
		return totPage;
	}


	public void setTotPage(int totPage) {
		this.totPage = totPage;
	}


	public int getTotBlock() {
		return totBlock;
	}


	public void setTotBlock(int totBlock) {
		this.totBlock = totBlock;
	}


	public int getNowPage() {
		return nowPage;
	}


	public void setNowPage(int nowPage) {
		this.nowPage = nowPage;
	}


	public int getNowBlock() {
		return nowBlock;
	}


	public void setNowBlock(int nowBlock) {
		this.nowBlock = nowBlock;
	}


	public int getStartNo() {
		return startNo;
	}


	public void setStartNo(int startNo) {
		this.startNo = startNo;
	}


	public int getEndNo() {
		return endNo;
	}


	public void setEndNo(int endNo) {
		this.endNo = endNo;
	}


	public int getStartPage() {
		return startPage;
	}


	public void setStartPage(int startPage) {
		this.startPage = startPage;
	}


	public int getEndPage() {
		return endPage;
	}


	public void setEndPage(int endPage) {
		this.endPage = endPage;
	}
	

	

}
